On 1/27/2014 8:40 AM, [email protected] wrote: > Is there anything that lists the pins and the default logic state that's on > them when the device boots? I also didn't see anything that mentioned the > SRM about being wary of LCD_HSYNC and LCD_DE being driven low. I looked at > the schematic and there is a resistor shown on each of those signals but no > indication of the value. Is that to protect from contention? If the HDMI > framer is disabled should/will those pins remain driven?
You want the actual data sheet for the AM335x. Chapter 2 "Terminal Descriptions" lists the pin state during and after reset, as well as I/O buffer details (drive strength, pull up/down capability, hysteresis, etc) for each package pin. You still have to refer to the BeagleBone schematic for some things (like your two pins tied together, or external pull up/down resistors as used on the LCD/boot pins). http://www.ti.com/lit/gpn/am3359 -- Charles Steinkuehler [email protected] -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
